package day2;

/**
 * @author oldliu
 * @since 1.0
 */
public class WrapTest {
    public static void main(String[] args) {
        System.out.println(Integer.MIN_VALUE);
        System.out.println(Integer.MAX_VALUE);
        //自动装箱和拆箱
        Integer i=new Integer("434");
        System.out.println(i);

        int j=i;//
        Integer k=55;
        byte b = i.byteValue();
        System.out.println(b);
        System.out.println((byte)434);
        ///>>parseInt,toHexString,toBinaryString...
    }
}
